docs: def put_file(self, filename, index, doc_type, id=None, name=None):
          """
          Store a file in a index
          """
          if id is None:
              request_method = 'POST'
          else:
              request_method = 'PUT'
          path = make_path(index, doc_type, id)
          doc = file_to_attachment(filename)
          if name:
              doc["_name"] = name
          return self._send_request(request_method, path, doc)